(19)

(11)

EP 1 836 447 A2

(12)

(43) Date of publication: 26.09.2007 Bulletin 2007/39 (21) Application number: 06717387.2 (22) Date of filing: 03.01.2006

(51) International Patent Classification (IPC):  F25D 17/06(2006.01) (86) International application number: PCT/US2006/000171 (87) International publication number: WO 2006/076192 (20.07.2006 Gazette 2006/29)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 13.01.2005 US 644220 P 05.08.2005 US 198617 (71) Applicant: GreenCentAire, LLC Minneapolis, MN 55413 (US)	(72) Inventor: SULLIVAN, Shaun Salem, Oregon 97306 (US) (74) Representative: Howe, Steven  Lloyd Wise Commonwealth House, 1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)